Chainsaw



FIG. 1 is a right rear perspective view of a chainsaw in accordance with the claimed design;

FIG. 2 is a bottom left perspective view of the design of FIG. 1;

FIG. 3 is a left side elevation view of the design of FIG. 1;

FIG. 4 is a right side elevation view of the design of FIG. 1;

FIG. 5 is a top plan view of the design of FIG. 1;

FIG. 6 is a bottom plan view of the design of FIG. 1;

FIG. 7 is a rear elevation view of the design of FIG. 1; and,

FIG. 8 is a front elevation view of the design of FIG. 1.

The dash-dash broken lines in the figures (including portions depicting unclaimed parts of the chainsaw, the attached battery, portions adjacent the dot-dash broken lines, and the longitudinal seam lines) represent environment and form no part of the claimed design.

The dot-dash broken lines in the figures immediately adjacent the solid lines represent a boundary between claimed and unclaimed subject matter and form no part of the claimed design. 

CLAIM The ornamental design for a chainsaw, as shown and described. 